If you loved Adieu Galaxy Express 999, try Galaxy Express 999: The Movie
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
What they share
Both films are directed by Rintaro, and they both carry the bittersweet, epic mood tags, and they sit in Animation / Science Fiction territory. If that's the register that drew you to Adieu Galaxy Express 999, the second film will land in a comparable space — through a different lens.
bittersweetepic
What Galaxy Express 999: The Movie is
A runaway teen and a ghost-mom doppelgänger ride a bullet-shaped rail through the galaxy. After his planet is strip-mined for parts, Tetsuro boards the Galaxy Express 999 to trade his flesh for a weapon. Maetel tags along, looking exactly like the woman he lost. The train’s next stop: immortality.

